Lens switching system for use in X-ray inspecting devices

Details Lens switching system for use in X-ray inspecting devices Lens switching system for use in X-ray inspecting devices

1982-10-12

1984-09-04

Evans, F. L.

G02B 714

Patent

active

044694032

ABSTRACT:
A lens switching system is provided for use in X-ray examination devices. The lens system includes at least a full viewing lens for viewing the entire object and a magnification lens which can be switched into the optical axis and controlled to different positions for magnifying the object. The optical axis for the magnification lens can be moved by means of a control handle controlling the lens system so that magnified portions of the object can be observed through the magnification lens.

REFERENCES:
patent: 2103525 (1937-12-01), Gallasch
patent: 2103573 (1937-12-01), Wilkinson
patent: 2236069 (1941-03-01), Robinton
patent: 2812687 (1957-11-01), Eitel, Jr. et al.
patent: 4143938 (1979-03-01), Feinbloom
patent: 4210811 (1980-07-01), Dennhoven et al.

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